<template>
    <div class="main">
        <a-form id="formLogin" class="user-layout-login" ref="formLogin" :form="form" @submit="handleSubmit">
            <a-tabs :activeKey="customActiveKey" :tabBarStyle="{ textAlign: 'center', borderBottom: 'unset' }" @change="handleTabClick">
                <a-tab-pane key="tab1" tab="账号密码登录">
                    <a-alert v-if="isLoginError" type="error" showIcon style="margin-bottom: 24px;" message="账户或密码错误（admin/ant.design )" />
                    <a-form-item>
                        <a-input size="large" type="text" placeholder="账户: admin" v-decorator="['username', { rules: [{ required: true, message: '请输入帐户名或邮箱地址' }, { validator: handleUsernameOrEmail }], validateTrigger: 'change' }]">
                            <a-icon slot="prefix" type="user" :style="{ color: 'rgba(0,0,0,.25)' }" />
                        </a-input>
                    </a-form-item>

                    <a-form-item>
                        <a-input-password size="large" placeholder="密码: 123456" v-decorator="['password', { rules: [{ required: true, message: '请输入密码' }], validateTrigger: 'blur' }]">
                            <a-icon slot="prefix" type="lock" :style="{ color: 'rgba(0,0,0,.25)' }" />
                        </a-input-password>
                    </a-form-item>
                </a-tab-pane>
                <!-- <a-tab-pane key="tab2" tab="手机号登录">
                    <a-form-item>
                        <a-input size="large" type="text" placeholder="手机号" v-decorator="['mobile', { rules: [{ required: true, pattern: /^1[34578]\d{9}$/, message: '请输入正确的手机号' }], validateTrigger: 'change' }]">
                            <a-icon slot="prefix" type="mobile" :style="{ color: 'rgba(0,0,0,.25)' }" />
                        </a-input>
                    </a-form-item>

                    <a-row :gutter="16">
                        <a-col class="gutter-row" :span="16">
                            <a-form-item>
                                <a-input size="large" type="text" placeholder="验证码" v-decorator="['captcha', { rules: [{ required: true, message: '请输入验证码' }], validateTrigger: 'blur' }]">
                                    <a-icon slot="prefix" type="mail" :style="{ color: 'rgba(0,0,0,.25)' }" />
                                </a-input>
                            </a-form-item>
                        </a-col>
                        <a-col class="gutter-row" :span="8">
                            <a-button class="getCaptcha" tabindex="-1" :disabled="state.smsSendBtn" @click.stop.prevent="getCaptcha" v-text="(!state.smsSendBtn && '获取验证码') || state.time + ' s'"></a-button>
                        </a-col>
                    </a-row>
                </a-tab-pane> -->
            </a-tabs>

            <a-form-item>
                <!-- <a-checkbox v-decorator="['rememberMe', { valuePropName: 'checked' }]">自动登录</a-checkbox> -->
                <router-link :to="{ name: 'recover', params: { user: 'aaa' } }" class="forge-password" style="float: right;">忘记密码</router-link>
            </a-form-item>

            <a-form-item style="margin-top:24px">
                <a-button size="large" type="primary" htmlType="submit" class="login-button" :loading="state.loginBtn" :disabled="state.loginBtn">确定</a-button>
            </a-form-item>

            <!-- <div class="user-login-other">
        <span>其他登录方式</span>
        <a>
          <a-icon class="item-icon" type="dingding"></a-icon>
        </a>
        <router-link class="register" :to="{ name: 'register' }">注册账户</router-link>
      </div> -->
        </a-form>

        <two-step-captcha v-if="requiredTwoStepCaptcha" :visible="stepCaptchaVisible" @success="stepCaptchaSuccess" @cancel="stepCaptchaCancel"></two-step-captcha>
    </div>
</template>

<script>
import TwoStepCaptcha from '@/components/tools/TwoStepCaptcha';
import { mapActions } from 'vuex';
import { timeFix } from '@/utils/util';
import { getSmsCaptcha } from '@/api/login';

export default {
    components: {
        TwoStepCaptcha
    },
    data() {
        return {
            customActiveKey: 'tab1',
            loginBtn: false,
            // login type: 0 email, 1 username, 2 telephone
            loginType: 0,
            isLoginError: false,
            requiredTwoStepCaptcha: false,
            stepCaptchaVisible: false,
            form: this.$form.createForm(this),
            state: {
                time: 60,
                loginBtn: false,
                // login type: 0 email, 1 username, 2 telephone
                loginType: 0,
                smsSendBtn: false
            }
        };
    },
    created() {
        // get2step({ })
        //   .then(res => {
        //     this.requiredTwoStepCaptcha = res.result.stepCode
        //   })
        //   .catch(() => {
        //     this.requiredTwoStepCaptcha = false
        //   })
        // this.requiredTwoStepCaptcha = true
    },
    methods: {
        ...mapActions(['Login', 'Logout', 'GetInfo']),
        // handler
        handleUsernameOrEmail(rule, value, callback) {
            const { state } = this;
            const regex = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+((\.[a-zA-Z0-9_-]{2,3}){1,2})$/;
            if (regex.test(value)) {
                state.loginType = 0;
            } else {
                state.loginType = 1;
            }
            callback();
        },
        handleTabClick(key) {
            this.customActiveKey = key;
            // this.form.resetFields()
        },
        handleSubmit(e) {
            e.preventDefault();
            const {
                form: { validateFields },
                state,
                customActiveKey,
                Login,
                GetInfo
            } = this;

            state.loginBtn = true;

            const validateFieldsKey = customActiveKey === 'tab1' ? ['username', 'password'] : ['mobile', 'captcha'];

            validateFields(validateFieldsKey, { force: true }, (err, values) => {
                if (!err) {
                    const loginParams = { ...values };
                    delete loginParams.username;
                    loginParams.account = values.username;
                    loginParams.password = values.password;
                    let loginAction = Login(loginParams);

                    Promise.all([loginAction])
                        .then(() => {
                            this.loginSuccess();
                        })
                        .finally(() => {
                            state.loginBtn = false;
                        });
                } else {
                    setTimeout(() => {
                        state.loginBtn = false;
                    }, 600);
                }
            });
        },
        getCaptcha(e) {
            e.preventDefault();
            const {
                form: { validateFields },
                state
            } = this;

            validateFields(['mobile'], { force: true }, (err, values) => {
                if (!err) {
                    state.smsSendBtn = true;

                    const interval = window.setInterval(() => {
                        if (state.time-- <= 0) {
                            state.time = 60;
                            state.smsSendBtn = false;
                            window.clearInterval(interval);
                        }
                    }, 1000);

                    const hide = this.$message.loading('验证码发送中..', 0);
                    getSmsCaptcha({ mobile: values.mobile })
                        .then(res => {
                            setTimeout(hide, 2500);
                            this.$notification['success']({
                                message: '提示',
                                description: '验证码获取成功，您的验证码为：' + res.result.captcha,
                                duration: 8
                            });
                        })
                        .catch(err => {
                            setTimeout(hide, 1);
                            clearInterval(interval);
                            state.time = 60;
                            state.smsSendBtn = false;
                        });
                }
            });
        },
        stepCaptchaSuccess() {
            this.loginSuccess();
        },
        stepCaptchaCancel() {
            this.Logout().then(() => {
                this.loginBtn = false;
                this.stepCaptchaVisible = false;
            });
        },
        loginSuccess(res) {
            this.$router.push({ path: '/' });
            // 延迟 1 秒显示欢迎信息
            setTimeout(() => {
                this.$notification.success({
                    message: '欢迎',
                    description: `${timeFix()}，欢迎回来`
                });
            }, 1000);
            this.isLoginError = false;
        },
        requestFailed(err) {
            this.isLoginError = true;
            console.log(err);
            this.$notification['error']({
                message: '错误',
                description: ((err.response || {}).data || {}).message || '请求出现错误，请稍后再试',
                duration: 4
            });
        }
    }
};
</script>

<style lang="less" scoped>
.user-layout-login {
    label {
        font-size: 14px;
    }

    .getCaptcha {
        display: block;
        width: 100%;
        height: 40px;
    }

    .forge-password {
        font-size: 14px;
    }

    button.login-button {
        padding: 0 15px;
        font-size: 16px;
        height: 40px;
        width: 100%;
    }

    .user-login-other {
        text-align: left;
        margin-top: 24px;
        line-height: 22px;

        .item-icon {
            font-size: 24px;
            color: rgba(0, 0, 0, 0.2);
            margin-left: 16px;
            vertical-align: middle;
            cursor: pointer;
            transition: color 0.3s;

            &:hover {
                color: #1890ff;
            }
        }

        .register {
            float: right;
        }
    }
}
</style>
